This was not a death, but it was very stupid indeed, and could have resulted in very non-heroic starvation.
I was at about 500 feet, with my level 13 Dwarf Warrior, when I ran into a great big clump of brown yeeks. Something the clump (it was dark) "confused" me. After gulping down a Cure Serious Potion to clear my head I thought, "yay! it's Orfax! my first unique ever!" I lured the brown yeeks into the hallway and mashed them up without difficutly (even though a Swordsman wandered in to help them).
Orfax had blinked away during the fight (no doubt terrified at the ease with which I trouned his escort) so I thought "no problem, I'll just pick up the yeeks' treasure and then go hunting for him". Among the treasure were two unidentified rings. I read my last id scroll on one of them - it was Slow Digestion. Not the mightiest magic of Angband, but handy; I put it on. Oops, no, I thought I put it on. But after being identified it had switched inventory slots with the unidentified ring. So what kind of ring did I put on? Hmm... well it was awfully cold...
Whoops! I started madly teleporting around the dungeon at a dizzying pace. Now I know what tengus feel like. I'm used to non-multiplayer angband where teleport rings don't work so damnably fast! With regret, I abandoned Orfax and recalled to town. But then I couldn't get to the Temple to buy a Scroll of Remove Curse. I would make a dash for it, almost get there, then teleport across town. And then who should drop in but Crimson, to see my stupid plight. It was not my finest moment.
(Don't fret, I managed to get into the temple, buy a Remove Curse scroll, and get the ring off. Orfax won't get away that easily next time! With luck I may have lulled him into a false sense of security.)